Sinna combines homeopathic remedies that work synergistically to fight the tumefaction of inflamed and infected mucous membranes. It targets the different aspects of sinusitis as well as its main contributing factors. Each tablet contains: Medicinal ingredients: Hydrastis canadensis (root) 6X, Kalium bichromicum (mineral) 6X,Lemna minor (herb) 4X, Luffa operculata (fruit) 6X, Hydrargyrum sulfuratum rubrum (mineral) 8X.Non-medicinal ingredients: Lactose monohydrate, magnesium stearate, pregelatinized starch. Adults (12 years of age and over): Take 2 tablets, 3 times daily. Children (6-11 years of age): Give 1 tablet, 3 times daily. Children (3-5 years of age): Chew ½ - 1 tablet 3 times daily. Children (2 years of age): Crush ½ - 1 tablet and mix with food or dissolve in some water, give 3 times daily. Note: In acute cases, take hourly, gradually reducing frequency as improvement occurs, or as directed by a healthcare practitioner.